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Recovering multiplexing loss through successive relaying using repetition coding
Department of Electrical Engineering, Princeton University.
Institute for Digital Communications, The University of Edinburgh.
Institute for Digital Communications, The University of Edinburgh.
Department of Electrical Engineering, Princeton University.
2007 (English)In: IEEE Transactions on Wireless Communications, ISSN 1536-1276, E-ISSN 1558-2248, Vol. 6, no 12, 4484-4493 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a transmission protocol is studied for a two relay wireless network in which simple repetition coding is applied at the relays. Information-theoretic achievable rates for this transmission scheme are given, and a space-time V-BLAST signalling and detection method that can approach them is developed. It is shown through the diversity multiplexing tradeoff analysis that this transmission scheme can recover the multiplexing loss of the half-duple x relay network, while retaining some diversity gain. This scheme is also compared with conventional transmission protocols that exploit only the diversity of the network at the cost of a multiplexing loss. It is shown that the new transmission protocol offers, significant performance advantages over conventional protocols, especially when the interference between the two relays is sufficiently strong.

Place, publisher, year, edition, pages
2007. Vol. 6, no 12, 4484-4493 p.
Keyword [en]
multiple-input multiple-output (MIMO), relay, capacity, wireless networks, cooperative diversity
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-44546DOI: 10.1109/TWC.2007.060339ISI: 000251744000037OAI: oai:DiVA.org:kth-44546DiVA: diva2:451147
Note
QC 20111114Available from: 2011-10-24 Created: 2011-10-24 Last updated: 2017-12-08Bibliographically approved

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